iP or domain name lookup

nb.sina.cn Server iP：

Current resolution：

domain resolution record：

2022-02-14-----2023-11-03 49.7.37.16

2022-02-14-----2023-11-03 123.126.45.156

2023-11-03-----2023-11-03 106.63.15.86

2023-11-03-----2023-11-03 36.51.224.44

2023-11-03-----2023-11-03 111.13.225.138

2023-08-06-----2023-08-06 36.51.224.26

2021-08-31-----2022-02-14 39.156.6.144

2021-12-29-----2022-02-14 36.51.254.90

2022-02-14-----2022-02-14 121.14.32.111

2022-02-14-----2022-02-14 183.232.23.230

2021-08-31-----2021-08-31 36.51.254.106

2019-07-02-----2019-07-16 123.126.45.123

2019-07-02-----2019-07-15 183.60.95.144

2019-07-02-----2019-07-15 221.179.193.41

2019-07-14-----2019-07-15 203.90.242.116

2019-07-15-----2019-07-15 49.7.36.41

2017-08-01-----2018-02-01 111.13.87.211

2017-08-01-----2018-02-01 183.232.24.229

2017-08-01-----2018-02-01 183.60.92.254

2017-08-01-----2018-02-01 123.125.29.219

2017-08-05-----2018-02-01 180.149.136.229